1 $ \textbf{cd ..}

2 $ \textbf{hg clone hello my-new-hello}

3 2 files updated, 0 files merged, 0 files removed, 0 files unresolved

4 $ \textbf{cd my-new-hello}

5 $ \textbf{sed -i '/printf/i\textbackslash{}\textbackslash{}tprintf("once more, hello.\textbackslash{}\textbackslash{}n");' hello.c}

6 $ \textbf{hg commit -m 'A new hello for a new day.'}